Artem Sapegin

Tech stack: TypeScript, React.js, React Native, styled-components, React Testing Library, Cypress, Storybook.

• Worked on customer-facing frontend in three different teams.
• Introduced modern testing tools and practices to one of the teams.
• Added primitive layout components based on styled-system to the company component library to simplify the creation of layouts and user interfaces.
• Contributions to the company component library, including multiple new components, TypeScript migration, documentation, and accessibility fixes.
• Code reviews inside the team and for the company component library.
• Dozens of interviews with frontend developers of various levels: technical and behavioral questions, coding exercises.
• Mentoring less senior teammates using code review, and supervising their work.

Tech stack: Flow, React.js, Sass, Jest, Enzyme, GraphQL.

• Working on customer-facing internet shop (wayfair.com): frontend for product reviews, and questions and answers.
• Working on supplier-facing tools: order management, inventory management, etc.
• Started a major order management tool revamp and later did architecture reviews for the team working on this project.
• JavaScript and CSS working groups: working on company-wide coding standards, and writing documentation for developers.
• Fronted office hours: helping other developers with frontend questions.
• Code reviews, live reviews, and pairing with developers in all Berlin teams.
• Contributions to company-wide React component libraries, including two sprints with the team that maintains them.
• Internal brown bag talks: internationalization best practices, types in JavaScript with Flow.

Tech stack: React.js, Sass, CSS Modules, Enzyme, React Styleguidist.

• Working on internal tools (localization, company dictionary, etc.)
• Introduced modern frontend stack to the team: React, ES6, CSS Modules, webpack.
• Introduced linting (ESLint, Stylelint), code style (later Prettier), frontend testing (Jest and Enzyme) to the team.
• Created a component library with 70+ components shared between five projects.
• Converted a vanilla jQuery app to React, and created several new React apps from scratch.

• Rewriting, refactoring, and maintenance of one of the main components of Badoo.com app.
• Created a complex HTML5 photo uploader component.

• Working on the frontend of the most popular Russian email service.
• Internal office weather monitor (SVG via Raphaël).

• Frontend of a complex biotech research tool, including SVG generation, and client-side XSLT transformation.
• Refactoring Internet Explorer 6 code to work in modern browsers.